Windows 11 KB5048667 is popping out to be a catastrophe for some individuals, and we will verify that there’s a problem the place the replace might fail to put in. It’s additionally making some PCs run slower than standard, and we predict it’s associated to a bug with the CPU scheduler within the Windows 11 Patch Tuesday.
Dozen and extra customers are reaching out to me with complaints of Windows 11 KB5048667 set up points. In some circumstances, it’s additionally inflicting extreme efficiency points. First, let’s discuss in regards to the set up points with Windows 11 24H2 December 2024 Patch Tuesday, after which I’ll discuss in regards to the efficiency points.
According to reviews obtained by Windows Latest and confirmed in our assessments in a digital machine, Windows replace fails with error 0x800f081f when putting in the KB5048667 replace. One consumer defined that the patch can also be very gradual to start out, with the message “Downloading – 0%” displayed for a very long time.”
“I’ve a quick web connection. It then begins putting in, however fails at 100%. I used to be instructed by the Windows replace troubleshooter to make this downside report, it discovered an issue and stated it had been corrected, however apparently not, to this point, sadly,” one of many affected customers famous.
Our associates with MacBook have additionally reported operating into set up error like 0x80070302 after they attempt to set up the Windows 11 24H2 patch on M3 utilizing Parallels.
“I beforehand reported this beneath an earlier replace, however I’m nonetheless getting the identical error when making an attempt to put in the newest Windows 11 24H2 replace for ARM64,” they added.
“All the updates failed on my PC, even KB5046740 obtained caught at 40%,” one other consumer advised Windows Latest. “KB5048667 won’t set up for me… stays ‘pending restart.’
Some of the oldsters tried guide installations and reinstalls of Windows, however nothing labored.
In some circumstances, we additionally noticed that Windows Update might take longer than standard to obtain and even set up the patch, solely to fail on the final second.
Performance points with Windows 11 KB5048667
Some of our readers have seen that after putting in the Windows 11 KB5048667 replace for Windows 11 24H2, CPU efficiency isn’t the identical as earlier than. We’ve seen reviews from customers saying that their PCs run easily at first, however then, after a while, the CPU begins slowing down.
You could even discover your video games like Roblox and League of Legends stuttering or your system feeling extra sluggish than standard, particularly if it’s been operating for some time for the reason that final restart.
We’ve additionally heard from individuals who say a easy reboot brings issues again to regular, at the very least for a short while. Unfortunately, the issue tends to return after the system stays on for a bit.
There are suspicions that Windows may now be managing CPU energy in a method that locations your video games or apps right into a low-performance mode, even after they shouldn’t be. We concern there’s an issue with the CPU scheduler post-Windows 11 KB5048667.
If you’re experiencing these points, you may attempt rolling again to a earlier Windows model, altering your energy settings, and even utilizing instruments like Process Lasso.
To repair points, right here’s what you may attempt doing:
- Disable Fast Boot or modify the way in which Windows handles CPU cores.
- Reinstall the replace.
- Uninstall the replace from Settings > Windows Update > Update History > Uninstall replace.
Windows Latest understands that there’s no one-size-fits-all answer for simply but, and it might take one other official replace or patch to completely resolve these slowdowns. For now, if efficiency is admittedly vital to you, you may think about holding off on the KB5048667 replace.
Here’s a listing of different issues:
- Higher CPU temperature than regular by about 4/5 levels.
- No repair for barely decrease efficiency in 3D apps/video games.
- Explorer choices fly off display when maximized.
- Netflix and Prime Video apps lagging and looping in full display.
In a Feedback Hub put up, one consumer flagged BSOD points.
“The replace damaged my machine. After putting in it my machine would fail besides with a INACCESSIBLE_BOOT_DEVICE cease error and my 2nd copy of Windows on this machine in a twin boot config additionally failed to start out with a STATUS: 0xc0e90002 (An sudden error has occurred) previous to booting,” one consumer famous.
“I discovered that disabling safe boot within the UEFI allowed Windows to start out (after getting into my Bitlocker restoration key) and Windows diagnostics robotically ‘repaired’ the issue. Upon then Windows beginning once more the replace was rolled again and Windows now begins once more. I’ve but to check my 2nd copy of Windows which I’ll do shortly,” the consumer added whereas explaining “KB5048667 (26100.2605) replace brought on Windows to fail to start out.”
Windows 11 24H2’s long-standing points, reminiscent of File Explorer’s menu choices not displaying up appropriately when the window is maximized.
In addition, apps like Netflix and Prime Video have playback issues.
What about you? Do you have got points with the December 2024 Patch? Let us know within the feedback beneath.
